How nutrients affect body functions.
Water supports temperature, circulation, digestion and cell function. Learn how the body regulates fluid balance, how much you really need, and the truth about coffee, thirst and “eight glasses”.
After a meal, insulin and glucagon keep blood glucose in a tight range. Understand the hormones, what affects glucose spikes, and how to eat for steadier levels.
Antioxidants limit damage from reactive oxygen species, but the science favours whole foods over megadose pills. Learn how they work and the best sources.
ALA, EPA and DHA support cell membranes, heart, brain and eyes. Learn the differences, the best fish and plant sources, and what supplement trials actually show.
Iron sits at the heart of haemoglobin and carries oxygen to every cell. Learn how it works, haem vs non-haem sources, absorption tips, and the signs of deficiency.
Calcium builds bone while vitamin D unlocks absorption. Learn how the two partner, what happens when either is low, and how to cover your needs from food, sun and supplements.
Fibre adds bulk, speeds transit and feeds gut microbes that make protective short-chain fatty acids. Here is how it works and how to increase it comfortably.
Muscle is rebuilt daily from dietary amino acids. Learn how protein turnover works, how much you need, why leucine and meal timing matter, and how to meet needs from food.